Cindy Sherman: That's MeCindy Sherman is among the most influential artists of her generation. Using herself as model, wearing a range of costumes and portraying herself in invented situations, she interrogates the imagery employed by the mass media, po pular culture and fine art. Television, advertising, magazines, fashion and Old Master paintings all form part of her visual language. Whether using make up, costumes, props and prosthetics to manipulate her own appearance,